Adding Integers with DIFFERENT SIGNS (positive + negative or negative + positive). Different Signs-Find the Difference Subtract the numbers and keep the sign of the number with the MOST chips (black = positive, red = negative) Example 1: -8 + 2 = -6 Example 2: -4 + 7 = 3. î î î.ifferent Signs-Find the Difference Subtract the numbers and keep the sign of the number with the MOST chips (black = positive, red = negative) Example 1: -8 + 2 = -6 Example 2: -4 + 7 = 3.
* A lubricant. Zinc Stearate is a zinc soap known for repelling water, and is used in the cosmetics and personal care industries as a lubricant. It is an insoluble salt made of commercial stearic acid, a mild fatty acid used as an emollient and lubricant, and is often combined with zinc oxide.
Zinc iodide. Zinc iodide is a chemical compound of zinc and iodine, ZnI2. The anhydrous form is white and readily absorbs water from the atmosphere. It can be prepared by the direct reaction of zinc and iodine in refluxing ether. or by reacting zinc with iodine in aqueous solution: Zn + I2â ZnI2 At 1150 Â°C, zinc iodide vapour dissociates into zinc and iodine.